# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         demo22
# Description:
# Author:       yzl
# Date:         2019-01-23
#-------------------------------------------------------------------------------

def sum(x,y):
    """
    '求和函数'
    # 'x: 数值'
    # 'y: 数值'
    """
    return x + y

print(sum.__doc__)
# print(help(sum))

import copy
print(copy.__doc__)


